Seagate ST43402ND, ST43401N/ND Write, Read, msec, Characteristics, Conditions, Specifications

4	ST43401N/ND, ST43402ND User’s Manual, Rev. B
continued from previous page
Characteristics		Conditions	Specifications
SCSI transfer rate, burst			20.0 Mbytes/sec max
Seek time (time required		Typical full	23.5 msec
to move heads to a different		Typical average	11.5 msec
track address—excluding		Typical one-track	1.7 msec
SCSI I/O overhead)
Typical access times			Write	Read
			msec	msec
		Single track seek	1.7	0.9
		Average seek	11.5	10.5
		Maximum seek	23.5	22.5
Latency (time required		Average	5.55 msec
to reach a particular		(disc rotation
track address after head		at 5,400 RPM)
positioning is complete)
		Maximum	11.17 msec
		(disc rotation
		at 5,373 RPM)
Start time**			30 sec max
Stop time			30 sec max

**Following the power sequence delay, once DC power is applied and start conditions are present.